Title :
Bose-Einstein condensates in one-dimensional optical lattices: bandgap structure and solitons
Author :
Louis, P.J. ; Ostrovskaya, E. ; Kivshar, Y. ; Savage, C.
Author_Institution :
Res. Sch. of Phys. Sci. & Eng., Australian Nat. Univ., Canberra, ACT, Australia
Abstract :
We present a theory of the band-gap spectrum and nonlinear localization of a Bose-Einstein condensate in 1D optical lattices and superlattices. The theory extends beyond the usual single-band and tight-binding approximations.
Keywords :
Bose-Einstein condensation; atom optics; localised states; optical solitons; radiation pressure; Bose-Einstein condensates; Gross-Pitaevskii equation; attractive atomic interactions; bandgap structure; continuous mean-field model; matter-wave gap solitons; nonlinear localization; one-dimensional optical lattices; repulsive atomic interactions; solitons; superlattices; Atom optics; Equations; Lattices; Matter waves; Nonlinear optics; Optical solitons; Optical superlattices; Photonic band gap; Physics; Stability;
Conference_Titel :
Quantum Electronics and Laser Science, 2003. QELS. Postconference Digest
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
1-55752-749-0
DOI :
10.1109/QELS.2003.238049
